K-T extinction event

English

Alternative forms

• K/T extinction event

Noun

K-T extinction event

1. The rapid dying off of a large percentage of all animal species in a comparatively short period of time 65.5 million years ago. This coincides with the end of the Cretaceous period, and may have been caused by an impact event.

Hypernyms

• extinction event

See also

• K-T boundary

Further reading

• Cretaceous-Tertiary_extinction_event on Wikipedia.Wikipedia